3.For 3-star pass, battle points can be wiped-out. Wipe-out will not take much time and you can obtain rewards directly.

4.Each battle point can be challenged 3 times per day for free. You can consume Diamond/Coupons to reset and challenge 3 times again. Each battle point can reset twice per day and cost 50 Diamond/Coupons each time.

5.Battle will also result in star evaluation and the rules are same as regular battles. If you 3 star the challenge you can obtain fragments as bonus, including a massive amount of fragments for the 1st time challenge.